Individual provider Active NPI

Douglas Eugene Hayes, DO

  • Hospitalist Physician
  • Butte, MT
National Provider Identifier
1497252415
Registry record updated Jul 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
173316 Issued in MT
Practice address
400 S Clark St
Butte, MT 59701-2328
Phone
(406) 723-2500
Fax
(406) 723-2584
NPI assigned
Apr 6, 2018
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 22, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X OP61019828 WA
Hospitalist Physician 208M00000X OP61019828 WA
Hospitalist Physician 208M00000X 173316 MT Primary

Addresses

Primary practice location

400 S Clark St
Butte, MT 59701-2328

Mailing address

1415 E Kincaid St
Mount Vernon, WA 98274-4126
Phone (360) 416-5750

Other practice location 1

1415 E Kincaid St
Mount Vernon, WA 98274-4126
Phone (360) 416-5750

Other practice location 2

603 S Chestnut St
Ellensburg, WA 98926-3875
Phone (303) 390-1940

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA, MT2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20210628003496 WA Practitioner - Internal Medicine 5496009037 Reassigns benefits to 3 organizations
I20260612001946 MT Practitioner - Internal Medicine 5496009037 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Pacific NW Un of HS, Col of Osteopathic Medicine, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
South Sound Inpatient Physicians PLLCGroup PAC ID 5991618738, 424 clinicians

Practice addresses (Care Compare)

1415 E Kincaid St
Mount Vernon, WA 98274-4126
Phone (360) 424-4111

330 S Stillaguamish Ave
Arlington, WA 98223-1642
Phone (360) 435-2133

407 14TH Ave SE
Puyallup, WA 98372-3770
Phone (253) 697-4000

Hospital & facility affiliations

  • Skagit Valley Hospital Hospital, Mount Vernon, WA, CCN 500003
  • St James Hospital Hospital, Butte, MT, CCN 270017
  • Virginia Mason Medical Center Hospital, Seattle, WA, CCN 500005
  • University of Washington Medical Ctr Hospital, Seattle, WA, CCN 500008

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

Practice roles

OrganizationSpecialtyStatusNew patients
South Sound Inpatient Physicians PLLC Internal Medicine Current Accepting new patients
Cogent Healthcare of Washington, PC Internal Medicine CurrentSince Oct 15, 2022 Accepting new patients
South Sound Inpatient Physicians PLLC Internal Medicine CurrentSince Jun 1, 2021 Accepting new patients
Hospitalist Medicine Physicians of California-San Bernardino, PC Internal Medicine CurrentSince Jun 1, 2021 Accepting new patients
Hospitalist Medicine Physicians of California - San Leandro, PC Internal Medicine CurrentSince Jun 1, 2021 Accepting new patients
South Sound Inpatient Physicians, PLLC Internal Medicine CurrentSince Jun 1, 2021 Accepting new patients
Public Hospital Dist No 1 Skagit Past Accepting new patients

Locations

400 S Clark St
Butte, MT 59701
Phone (406) 495-7260

330 S Stillaguamish Ave
Arlington, WA 98223
Phone (360) 435-2133

202 N Division St
Auburn, WA 98001
Phone (253) 333-2562

1415 E Kincaid St
Mount Vernon, WA 98274
Phone (360) 416-5750

407 14th Ave SE
Puyallup, WA 98372
Phone (253) 697-4000

2000 Hospital Dr
Sedro Woolley, WA 98284
Phone (360) 856-6021

Organizations & group practices 9

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 5

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1522972800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784678400000",
    "number": "1497252415",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1415 E KINCAID ST",
            "city": "MOUNT VERNON",
            "state": "WA",
            "postal_code": "982744126",
            "telephone_number": "360-416-5750"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 S CLARK ST",
            "city": "BUTTE",
            "state": "MT",
            "postal_code": "597012328",
            "telephone_number": "406-723-2500",
            "fax_number": "406-723-2584"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1415 E Kincaid St",
            "address_purpose": "LOCATION",
            "city": "Mount Vernon",
            "state": "WA",
            "postal_code": "982744126",
            "country_code": "US",
            "telephone_number": "360-416-5750",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "603 S Chestnut St",
            "address_purpose": "LOCATION",
            "city": "Ellensburg",
            "state": "WA",
            "postal_code": "989263875",
            "country_code": "US",
            "telephone_number": "303-390-1940",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HAYES",
        "first_name": "DOUGLAS",
        "middle_name": "EUGENE",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-04-06",
        "last_updated": "2026-07-22",
        "certification_date": "2026-07-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WA",
            "license": "OP61019828",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "WA",
            "license": "OP61019828",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MT",
            "license": "173316",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Butte, MT

Sources for this page

Verify at the official NPI Registry.